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小测验：选择正确的单词
- 论坛新贴
treadle ['tredl]
基本释义
- n. 踏木,踏板
vi. 踏动踏板,开动
词形变化
- 时 态：tread·led, tread·ling, tread·les名 词：tread'ler
英英解释
1个名词解释
- a lever that is operated with the foot
[同] foot lever, foot pedal, pedal, treadle
2个动词解释
- tread over
[例]- the brick maker treadles over clay to pick out the stones
- operate (machinery) by a treadle
- a lever that is operated with the foot